Low on Power Steering fluid ... check it, and all your engine fluid levels, at least once a week.
Yes, I've had this happen to myself. Usually resolves itself on it's own.
yes, but driving at slow speeds will be very difficult.
Yes it is just very hard to turn the wheel when you slow down
Sounds like you have a bad tire with belt damage.
A few things could cause this. Low power steering fluid, too slow engine speed (low RPMs), faulty power steering pump or broken power steering pump belt, binding or poorly lubricated steering linkages, faulty steering gear, etc.
The rack and pinion steering unit needs to be replaced
Warped rotor,Tie rods, Wheel bearings (hub).
check the power steering pump, fluid level etc...
Your vehicle is.. off does not have electrically assisted steering is broken
Tire out of balance, worn suspension parts, defective or loose wheel bearing, loose lug-nuts, or worn steering parts.
One way to fix a slow steering return on a Mercedes SLK 350 is to add more power steering fluid. Another option is to replace the steering wheel lock sensor.
there may not be enough tension on the belt.